/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Framework/PhysicsSolverBase.h
Tells us if we're on the frozen game thread. This is needed for knowing which data to read/write to The IsInGameThread check is so that other threads (e.g audio thread) which might be running queries in parallel will continue to use the correct interpolated GT data
bool IsGameThreadFrozen() const